<template>
  <div>
    <div>【关键词条】</div>
    <div ref="target" class="w-full h-full"></div>
  </div>
</template>
<script setup>
import { ref, onMounted, watch } from "vue";
import * as echarts from "echarts";
import "echarts-wordcloud";

const props = defineProps({
  data: {
    type: Object,
    required: true
  }
});
console.log("文档云图", props.data.datas);

// 1. 初始化echarts实例
let mChart = null;
const target = ref(null);

onMounted(() => {
  mChart = echarts.init(target.value);
  renderChart();
});

const randomRGB = () => {
  const r = Math.floor(Math.random() * 255);
  const g = Math.floor(Math.random() * 255);
  const b = Math.floor(Math.random() * 255);
  return `rgb(${r}, ${g}, ${b})`;
};

// 2. 构建option配置对象
const renderChart = () => {
  const options = {
    series: [
      {
        type: "wordCloud",
        sizeRange: [8, 46],
        rotationRange: [0, 0],
        gridSize: 0,
        layoutAnimation: true,
        textStyle: {
          color: randomRGB
        },
        emphasis: {
          textStyle: {
            fontWeight: "bold",
            color: "#fff"
          }
        },
        data: props.data.datas
      }
    ]
  };

  // 3.通过实例.setOptions(option)
  if (mChart != null) {
    mChart.setOption(options);
  }
};
watch(() => props.data, renderChart);
</script>

<style lang='scss' scoped>
</style>